These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild   R    ] dev-libs/libyaml-0.2.5::gentoo  USE="-doc -static-libs -test" 84 KiB

Total: 1 package (1 reinstall), Size of downloads: 84 KiB